The metal frame of a rectangular box has a square base the


Question: The metal frame of a rectangular box has a square base. The horizontal rods in the base are made out of one metal and the vertical rods out of a different metal. If the horizontal rods expand at a rate of 0.001 cm/hr and the vertical rods expand at a rate of 0.002 cm/hr, at what rate is the volume of the box expanding when the base has an area of 9 cm2 and the volume is 180 cm3?

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Mathematics: The metal frame of a rectangular box has a square base the
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